Tuesday, December 28, 2010

Humans cause fires, right? Only You Can Prevent Forest Fires! It might seem that in places and times with less human presence and activity there should be fewer fires. But there is now evidence to the contrary: The Burning Issue in Science reports that evidence from Antarctic ice cores shows declining levels of fire in the Southern Hemisphere until the 1600's, followed by a dramatic peak in the 1800's and now unprecedented low levels of burning.